| 主权项 |
1. A compound comprising a bipyridine structure of formula (IV) below: wherein R3 is a substituent RAryl and R6 is a substituent RAnc; wherein substituents R1, R2, R4, R5, R7 and R8 are H; wherein RAnc is a substituent of formula (II) below: wherein n is 0 or an integer of 1; Anc is an anchoring group selected from —COOH, —PO3H2, —SO3H2, —CONHOH−, acetylacetonate; AZ is independently selected from any moieties of formulae (1), (3) and (29) below: wherein:A of the moiety of formulae (3) is a heteroatom selected from O, S and Se;R1-R3, R9-R10 and R95-R96 are H; and wherein RAryl is selected from substituents of formula (VI) and (VII) below:
—B1—R16 (VI);—B1—B2—R16 (VII);wherein:
B1 of substituent (VI) is selected from any moieties of formulae (3), (4) and (5) below, B1 of substituent (VII) is selected from any moieties of formulae (1), (2), (3), (4), (5), (29) and (30), and B2 is selected from any moieties of formulae (3), (4), (5) below: wherein:
A and B are a same or different heteroatom selected from O and S,in moiety (5), p is an integer of 1-2 and R13 and R14 may be bound to the same carbon atom,any one of R1-R14 and R95-R96 are H; andwherein R16 is selected from H, halogen, —OH, C1-C5 alkyl, cyano group (—CN), and from C1-C5 alkoxyl. |
